Siemens Energy And Automation Inc. Siemens Furnas Controls Div · Electronic Components
12BA21P
Switch Assembly
Part Number12BA21P
ManufacturerSiemens Energy And Automation Inc. Siemens Furnas Controls Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-211-5551 (NSN)
Federal Item NameSWITCH ASSEMBLY
Federal Supply Class5930 — Switches
Inclosure TypeUNINCLOSED
Identifying Number12BA21P PART NO.
Mounting ConfigurationTWO MTG HOLES SPACED 3.281 IN. APART
Mounting MethodHOLE
Individual Switch Quantity2
Controlling AgencyFURNAS ELECTRIC CO
Switch TypePUSH
Special MarkingsSTART,STOP
Overall Width2.562 INCHES NOMINAL
Overall Length4.312 INCHES NOMINAL
Overall Height1.875 INCHES NOMINAL
Vendor Part Numbers710-033
Cancelled NSN5930-01-178-8070 (cancelled)
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 12BA21P available?
We can source 12BA21P even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 12BA21P by Siemens Energy And Automation Inc. Siemens Furnas Controls Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12BA21P has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 12BA21P?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 12BA21P?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.